| """ |
| Test that we can call C++ template fucntions. |
| """ |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class TemplateFunctionsTestCase(TestBase): |
| def do_test_template_function(self, add_cast): |
| self.build() |
| lldbutil.run_to_source_breakpoint( |
| self, "// break here", lldb.SBFileSpec("main.cpp", False) |
| ) |
| |
| if add_cast: |
| self.expect_expr("(int) foo(42)", result_type="int", result_value="42") |
| else: |
| self.expect( |
| "expr b1 <=> b2", |
| error=True, |
| substrs=[ |
| "warning: <user expression 0>:1:4: '<=>' is a single token in C++20; add a space to avoid a change in behavior" |
| ], |
| ) |
| |
| self.expect_expr("foo(42)", result_type="int", result_value="42") |
| |
| # overload with template case |
| self.expect_expr("h(10)", result_type="int", result_value="10") |
| |
| # ADL lookup case |
| self.expect_expr("f(A::C{})", result_type="int", result_value="4") |
| |
| # ADL lookup but no overload |
| self.expect_expr("g(A::C{})", result_type="int", result_value="4") |
| |
| # variadic function cases |
| self.expect_expr("var(1)", result_type="int", result_value="10") |
| self.expect_expr("var(1, 2)", result_type="int", result_value="10") |
| |
| # Overloaded templated operator case |
| self.expect_expr("b1 > b2", result_type="bool", result_value="true") |
| self.expect_expr("b1 >> b2", result_type="bool", result_value="true") |
| self.expect_expr("b1 << b2", result_type="bool", result_value="true") |
| self.expect_expr("b1 == b2", result_type="bool", result_value="true") |
| |
| # Overloaded operator case |
| self.expect_expr("d1 > d2", result_type="bool", result_value="true") |
| self.expect_expr("d1 >> d2", result_type="bool", result_value="true") |
| self.expect_expr("d1 << d2", result_type="bool", result_value="true") |
| self.expect_expr("d1 == d2", result_type="bool", result_value="true") |
| |
| @skipIfWindows |
| def test_template_function_with_cast(self): |
| self.do_test_template_function(True) |
| |
| @skipIfWindows |
| @expectedFailureAll(debug_info=["dwarf", "gmodules", "dwo"]) |
| def test_template_function_without_cast(self): |
| self.do_test_template_function(False) |
